libvo/vo_xmga.c

   1 /*
   2  * copyright (C) 2001 Zoltan Ponekker
   3  *
   4  * This file is part of MPlayer.
   5  *
   6  * MPlayer is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * MPlayer is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License along
  17  * with MPlayer; if not, write to the Free Software Foundation, Inc.,
  18  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  19  */
  20
  21 //#define SHOW_TIME
  22
  23 #include <stdio.h>
  24 #include <stdlib.h>
  25 #include <string.h>
  26
  27 #include "config.h"
  28
  29 #include "video_out.h"
  30 #include "video_out_internal.h"
  31
  32
  33 #include <sys/ioctl.h>
  34 #include <unistd.h>
  35 #include <fcntl.h>
  36 #include <sys/mman.h>
  37
  38 #include "drivers/mga_vid.h"
  39
  40 #include <X11/Xlib.h>
  41 #include <X11/Xutil.h>
  42 #include <errno.h>
  43
  44 #ifdef CONFIG_XINERAMA
  45 #include <X11/extensions/Xinerama.h>
  46 #endif
  47
  48 #include "x11_common.h"
  49 #include "sub/sub.h"
  50 #include "aspect.h"
  51
  52 #ifdef SHOW_TIME
  53 #include "osdep/timer.h"
  54 static unsigned int timer = 0;
  55 static unsigned int timerd = 0;
  56 #endif
  57
  58 static const vo_info_t info = {
  59     "Matrox G200/G4x0/G550 overlay in X11 window (using /dev/mga_vid)",
  60     "xmga",
  61     "Zoltan Ponekker <pontscho@makacs.poliod.hu>",
  62     ""
  63 };
  64
  65 const LIBVO_EXTERN(xmga)
  66
  67 static uint32_t mDepth;
  68 static XWindowAttributes attribs;
  69 static int colorkey;
  70
  71 static uint32_t mvHeight;
  72 static uint32_t mvWidth;
  73
  74 static XSetWindowAttributes xWAttribs;
  75
  76 static int initialized = 0;
  77
  78 #define VO_XMGA
  79 #include "mga_template.c"
  80 #undef  VO_XMGA
  81
  82 static void mDrawColorKey(void)
  83 {
  84     XSetBackground(mDisplay, vo_gc, 0);
  85     XClearWindow(mDisplay, vo_window);
  86     XSetForeground(mDisplay, vo_gc, colorkey);
  87     XFillRectangle(mDisplay, vo_window, vo_gc, drwX, drwY, drwWidth,
  88                    (vo_fs ? drwHeight - 1 : drwHeight));
  89     XFlush(mDisplay);
  90 }
  91
  92 static void check_events(void)
  93 {
  94     int e = vo_x11_check_events(mDisplay);
  95
  96     if (e & (VO_EVENT_RESIZE | VO_EVENT_MOVE))
  97         set_window();
  98     if (e & (VO_EVENT_RESIZE | VO_EVENT_EXPOSE))
  99         mDrawColorKey();
 100 }
 101
 102 static void flip_page(void)
 103 {
 104 #ifdef SHOW_TIME
 105     unsigned int t;
 106
 107     t = GetTimer();
 108     mp_msg(MSGT_VO, MSGL_STATUS,
 109            "  [timer: %08X  diff: %6d  dd: %6d ]  \n", t, t - timer,
 110            (t - timer) - timerd);
 111     timerd = t - timer;
 112     timer = t;
 113 #endif
 114
 115     vo_mga_flip_page();
 116 }
 117
 118 static int config(uint32_t width, uint32_t height, uint32_t d_width,
 119                        uint32_t d_height, uint32_t flags, char *title,
 120                        uint32_t format)
 121 {
 122     XVisualInfo vinfo;
 123     unsigned long xswamask;
 124     int r, g, b;
 125
 126     if (mga_init(width, height, format))
 127         return -1;              // ioctl errors?
 128
 129     mvWidth = width;
 130     mvHeight = height;
 131
 132     r = (vo_colorkey & 0x00ff0000) >> 16;
 133     g = (vo_colorkey & 0x0000ff00) >> 8;
 134     b = vo_colorkey & 0x000000ff;
 135     switch (vo_depthonscreen)
 136     {
 137         case 32:
 138             colorkey = vo_colorkey;
 139             break;
 140         case 24:
 141             colorkey = vo_colorkey & 0x00ffffff;
 142             break;
 143         case 16:
 144             colorkey = ((r >> 3) << 11) | ((g >> 2) << 5) | (b >> 3);
 145             break;
 146         case 15:
 147             colorkey = ((r >> 3) << 10) | ((g >> 3) << 5) | (b >> 3);
 148             break;
 149         default:
 150             mp_msg(MSGT_VO, MSGL_ERR,
 151                    "Sorry, this (%d) color depth not supported.\n",
 152                    vo_depthonscreen);
 153             return -1;
 154     }
 155     mp_msg(MSGT_VO, MSGL_V, "Using colorkey: %x\n", colorkey);
 156
 157     initialized = 1;
 158
 159         XGetWindowAttributes(mDisplay, mRootWin, &attribs);
 160         mDepth = attribs.depth;
 161         if (mDepth != 15 && mDepth != 16 && mDepth != 24 && mDepth != 32)
 162             mDepth = 24;
 163         XMatchVisualInfo(mDisplay, mScreen, mDepth, TrueColor, &vinfo);
 164         xWAttribs.colormap =
 165             XCreateColormap(mDisplay, mRootWin, vinfo.visual, AllocNone);
 166         xWAttribs.background_pixel = 0;
 167         xWAttribs.border_pixel = 0;
 168         xswamask = CWBackPixel | CWBorderPixel | CWColormap;
 169
 170             vo_x11_create_vo_window(&vinfo, vo_dx, vo_dy, d_width, d_height,
 171                     flags, xWAttribs.colormap, "xmga", title);
 172             XChangeWindowAttributes(mDisplay, vo_window, xswamask, &xWAttribs);
 173
 174     mga_vid_config.colkey_on = 1;
 175     mga_vid_config.colkey_red = r;
 176     mga_vid_config.colkey_green = g;
 177     mga_vid_config.colkey_blue = b;
 178
 179     set_window();               // set up mga_vid_config.dest_width etc
 180
 181     XSync(mDisplay, False);
 182
 183     ioctl(f, MGA_VID_ON, 0);
 184
 185     return 0;
 186 }
 187
 188 static void uninit(void)
 189 {
 190     mp_msg(MSGT_VO, MSGL_V, "vo: uninit!\n");
 191     mga_uninit();
 192     if (!initialized)
 193         return;                 // no window?
 194     initialized = 0;
 195     vo_x11_uninit();            // destroy the window
 196 }